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High protein macro calculator

A high protein split anchors protein to body weight first, then fills the rest with fat and carbs. Ideal for building muscle or keeping it while cutting, with protein at 1.8 to 2.5 g per kg.

High protein macros

Protein anchored to body weight, for muscle.

Daily protein target
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Enter calories, weight, and protein factor.

Fat
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Carbs
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Formula: Protein (g) = factor x kg. Fat (g) = cal x fat% / 900. Carbs (g) = remaining calories / 4.
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Protein anchored to body weight

Research lands on 1.6 to 2.2 g of protein per kg per day for muscle growth, up to 2.5 while cutting hard. Setting protein from weight, not from a percentage, keeps the target correct whether you eat 2000 or 3500 calories.

Fat floor, carbs fill the rest

Fat stays around 20 to 30 percent of calories for hormone health, then carbs take whatever calories remain to fuel training. On rest days you can shift some carbs to protein or fat without changing the total.

High-Protein Macro FAQs

How much protein do I need to build muscle?
1.6 to 2.2 g per kg of body weight daily. An 80 kg lifter needs roughly 130 to 175 g; this calculator defaults to 2.2 g/kg.
Can I eat too much protein?
Above about 2.5 g/kg there is little extra muscle benefit for natural lifters, and it crowds out carbs that fuel training. Kidneys handle it fine in healthy people.
Should protein be higher when cutting?
Yes, push toward 2.2 to 2.5 g/kg. In a deficit the body is keener to burn muscle, and extra protein plus training defends it.
Does protein timing matter?
Total daily intake matters far more. Spread it over 3 to 5 meals with 25 to 50 g each and you have covered timing well enough.
Why is my carb number so low?
High protein plus moderate fat leaves fewer calories for carbs. If training suffers, drop fat toward 20% or accept slightly less protein before cutting carbs further.
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